Show j 1 W t W cUt WAR BONUS BONDS Prevents the Bends Before our fighting pilots take to the air for stratosphere flying they must be To do this the pilot just before he takes off ofT pedals a stationary motor driven bicycle to reduce the amount of nitrogen in his blood Otherwise gas bubbles would collect in his blood stream IJ I 0 J J I i tIT nIn The stationary bicycle Is an Inexpensive In expensive piece of equipment but the vast quantities of this and other materials of war make it Imperative I for all of us to keep our fighting men well supplied by greater and greater purchases of War Bonds U. U S. S Treasury Dt |